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java.lang.Objectjava.io.Writer
javax.servlet.jsp.JspWriter
org.apache.struts2.jasper.runtime.JspWriterImpl
public class JspWriterImpl
Write text to a character-output stream, buffering characters so as to provide for the efficient writing of single characters, arrays, and strings. Provide support for discarding for the output that has been buffered. This needs revisiting when the buffering problems in the JSP spec are fixed -akv
| Field Summary |
|---|
| Fields inherited from class javax.servlet.jsp.JspWriter |
|---|
autoFlush, bufferSize, DEFAULT_BUFFER, NO_BUFFER, UNBOUNDED_BUFFER |
| Fields inherited from class java.io.Writer |
|---|
lock |
| Constructor Summary | |
|---|---|
JspWriterImpl()
|
|
JspWriterImpl(javax.servlet.ServletResponse response)
Create a buffered character-output stream that uses a default-sized output buffer. |
|
JspWriterImpl(javax.servlet.ServletResponse response,
int sz,
boolean autoFlush)
Create a new buffered character-output stream that uses an output buffer of the given size. |
|
| Method Summary | |
|---|---|
void |
clear()
Discard the output buffer. |
void |
clearBuffer()
|
void |
close()
Close the stream. |
void |
flush()
Flush the stream. |
protected void |
flushBuffer()
Flush the output buffer to the underlying character stream, without flushing the stream itself. |
int |
getRemaining()
|
void |
newLine()
Write a line separator. |
void |
print(boolean b)
Print a boolean value. |
void |
print(char c)
Print a character. |
void |
print(char[] s)
Print an array of characters. |
void |
print(double d)
Print a double-precision floating-point number. |
void |
print(float f)
Print a floating-point number. |
void |
print(int i)
Print an integer. |
void |
print(long l)
Print a long integer. |
void |
print(Object obj)
Print an object. |
void |
print(String s)
Print a string. |
void |
println()
Terminate the current line by writing the line separator string. |
void |
println(boolean x)
Print a boolean value and then terminate the line. |
void |
println(char x)
Print a character and then terminate the line. |
void |
println(char[] x)
Print an array of characters and then terminate the line. |
void |
println(double x)
Print a double-precision floating-point number and then terminate the line. |
void |
println(float x)
Print a floating-point number and then terminate the line. |
void |
println(int x)
Print an integer and then terminate the line. |
void |
println(long x)
Print a long integer and then terminate the line. |
void |
println(Object x)
Print an Object and then terminate the line. |
void |
println(String x)
Print a String and then terminate the line. |
void |
write(char[] buf)
Write an array of characters. |
void |
write(char[] cbuf,
int off,
int len)
Write a portion of an array of characters. |
void |
write(int c)
Write a single character. |
void |
write(String s)
Write a string. |
void |
write(String s,
int off,
int len)
Write a portion of a String. |
| Methods inherited from class javax.servlet.jsp.JspWriter |
|---|
getBufferSize, isAutoFlush |
| Methods inherited from class java.io.Writer |
|---|
append, append, append |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public JspWriterImpl()
public JspWriterImpl(javax.servlet.ServletResponse response)
response - A Servlet Response
public JspWriterImpl(javax.servlet.ServletResponse response,
int sz,
boolean autoFlush)
response - A Servlet Responsesz - Output-buffer size, a positive integer
IllegalArgumentException - If sz is <= 0| Method Detail |
|---|
protected final void flushBuffer()
throws IOException
IOException
public final void clear()
throws IOException
clear in class javax.servlet.jsp.JspWriterIOException
public void clearBuffer()
throws IOException
clearBuffer in class javax.servlet.jsp.JspWriterIOException
public void flush()
throws IOException
flush in interface Flushableflush in class javax.servlet.jsp.JspWriterIOException
public void close()
throws IOException
close in interface Closeableclose in class javax.servlet.jsp.JspWriterIOExceptionpublic int getRemaining()
getRemaining in class javax.servlet.jsp.JspWriter
public void write(int c)
throws IOException
write in class WriterIOException
public void write(char[] cbuf,
int off,
int len)
throws IOException
Ordinarily this method stores characters from the given array into
this stream's buffer, flushing the buffer to the underlying stream as
needed. If the requested length is at least as large as the buffer,
however, then this method will flush the buffer and write the characters
directly to the underlying stream. Thus redundant
DiscardableBufferedWriters will not copy data unnecessarily.
write in class Writercbuf - A character arrayoff - Offset from which to start reading characterslen - Number of characters to write
IOException
public void write(char[] buf)
throws IOException
write in class WriterIOException
public void write(String s,
int off,
int len)
throws IOException
write in class Writers - String to be writtenoff - Offset from which to start reading characterslen - Number of characters to be written
IOException
public void write(String s)
throws IOException
write in class WriterIOException
public void newLine()
throws IOException
newLine in class javax.servlet.jsp.JspWriterIOException - If an I/O error occurs
public void print(boolean b)
throws IOException
String.valueOf(boolean) is translated into bytes
according to the platform's default character encoding, and these bytes
are written in exactly the manner of the write(int) method.
print in class javax.servlet.jsp.JspWriterb - The boolean to be printed
IOException
public void print(char c)
throws IOException
write(int) method.
print in class javax.servlet.jsp.JspWriterc - The char to be printed
IOException
public void print(int i)
throws IOException
String.valueOf(int) is translated into bytes according
to the platform's default character encoding, and these bytes are
written in exactly the manner of the write(int)
method.
print in class javax.servlet.jsp.JspWriteri - The int to be printed
IOException
public void print(long l)
throws IOException
String.valueOf(long) is translated into bytes
according to the platform's default character encoding, and these bytes
are written in exactly the manner of the write(int)
method.
print in class javax.servlet.jsp.JspWriterl - The long to be printed
IOException
public void print(float f)
throws IOException
String.valueOf(float) is translated into bytes
according to the platform's default character encoding, and these bytes
are written in exactly the manner of the write(int)
method.
print in class javax.servlet.jsp.JspWriterf - The float to be printed
IOException
public void print(double d)
throws IOException
String.valueOf(double) is translated into
bytes according to the platform's default character encoding, and these
bytes are written in exactly the manner of the write(int) method.
print in class javax.servlet.jsp.JspWriterd - The double to be printed
IOException
public void print(char[] s)
throws IOException
write(int)
method.
print in class javax.servlet.jsp.JspWriters - The array of chars to be printed
NullPointerException - If s is null
IOException
public void print(String s)
throws IOException
null then the string
"null" is printed. Otherwise, the string's characters are
converted into bytes according to the platform's default character
encoding, and these bytes are written in exactly the manner of the
write(int) method.
print in class javax.servlet.jsp.JspWriters - The String to be printed
IOException
public void print(Object obj)
throws IOException
String.valueOf(Object) method is translated into bytes
according to the platform's default character encoding, and these bytes
are written in exactly the manner of the write(int)
method.
print in class javax.servlet.jsp.JspWriterobj - The Object to be printed
IOException
public void println()
throws IOException
line.separator, and is not necessarily a single newline
character ('\n').
Need to change this from PrintWriter because the default
println() writes to the sink directly instead of through the
write method...
println in class javax.servlet.jsp.JspWriterIOException
public void println(boolean x)
throws IOException
print(boolean) and then
println().
println in class javax.servlet.jsp.JspWriterIOException
public void println(char x)
throws IOException
print(char) and then println().
println in class javax.servlet.jsp.JspWriterIOException
public void println(int x)
throws IOException
print(int) and then println().
println in class javax.servlet.jsp.JspWriterIOException
public void println(long x)
throws IOException
print(long) and then
println().
println in class javax.servlet.jsp.JspWriterIOException
public void println(float x)
throws IOException
print(float) and then
println().
println in class javax.servlet.jsp.JspWriterIOException
public void println(double x)
throws IOException
print(double) and then println().
println in class javax.servlet.jsp.JspWriterIOException
public void println(char[] x)
throws IOException
print(char[]) and then
println().
println in class javax.servlet.jsp.JspWriterIOException
public void println(String x)
throws IOException
print(String) and then
println().
println in class javax.servlet.jsp.JspWriterIOException
public void println(Object x)
throws IOException
print(Object) and then
println().
println in class javax.servlet.jsp.JspWriterIOException
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